[(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-[[3-[(3S,4R,5R)-3-butyl-7-(dimethylamino)-3-ethyl-4-hydroxy-1,1-dioxo-4,5-dihydro-2H-1lambda6-benzothiepin-5-yl]phenyl]carbamoylamino]oxan-2-yl]methyl acetate 在
甲醇 、
三乙胺 作用下,
反应 16.0h,
以92%的产率得到1-[3-[(3S,4R,5R)-3-butyl-7-(dimethylamino)-3-ethyl-4-hydroxy-1,1-dioxo-4,5-dihydro-2H-1lambda6-benzothiepin-5-yl]phenyl]-3-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]urea